XML 93 R65.htm IDEA: XBRL DOCUMENT
v3.20.4

Other Assets (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Disclosure of financial assets [abstract] |
Disclosure of components in other assets | The components of other assets are as follows:
As at Dec. 31 | 2020 | 2019
South Hedland prepaid transmission access and distribution costs | 70 |  | 67 |
Deferred licence fees | — |  | 9 |
Project development costs | 25 |  | 19 |
Long-term prepaids and other assets | 59 |  | 56 |
Loan receivable | 52 |  | 47 |
Total other assets | 206 |  | 198 |

X
- References No definition available. + Details
Name: | ifrs-full_DisclosureOfFinancialAssetsAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of Components in Other Assets [Table Text Block] + References No definition available. + Details
Name: | tac_DisclosureofComponentsinOtherAssetsTableTextBlock
Namespace Prefix: | tac_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration